Andrew questions

Andrew answers

• remove invisible characters from a UTF-8 string
• fast partial match checking in R (or Python or Julia)
• Tidyverse: Replacing entire strings based on partial matches
• dplyr: select by name and value at the same time
• R - How to both unlist and concatenate
• Index consecutive duplicates in vector
• Counting days of the year with leap years
• R strsplit using Regex
• How do I filter a range of numbers in R? [duplicate]
• Find all subsequences with specific length in sequence of numbers in R